/**
 * Copyright (C) 2015 Red Hat, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.fabric8.kubernetes.client.http;

import java.util.concurrent.CompletableFuture;

public interface Interceptor {

  /**
   * Called before a request to allow for the manipulation of the request
   * 
   * @param builder used to modify the request
   * @param headers the current headers
   */
  default void before(BasicBuilder builder, HttpHeaders headers) {
  }

  /**
   * Called after a websocket failure or by default from a normal request
   * 
   * @param builder used to modify the request
   * @param response the failed response
   * @return true if the builder should be used to execute a new request
   */
  default CompletableFuture<Boolean> afterFailure(BasicBuilder builder, HttpResponse<?> response) {
    return CompletableFuture.completedFuture(false);
  }

  /**
   * Called after a non-websocket failure
   * 
   * @param builder used to modify the request
   * @param response the failed response
   * @return true if the builder should be used to execute a new request
   */
  default CompletableFuture<Boolean> afterFailure(HttpRequest.Builder builder, HttpResponse<?> response) {
    return afterFailure((BasicBuilder) builder, response);
  }

}
